Test your basic knowledge |

DSST Physical Sciences Principles

Subjects : dsst, science
Instructions:
  • Answer 31 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. All objects with mass are attracted to another by the gravitational force






2. Increasing the frequency of light






3. A 5 kg fish that is swimming toward it at a velocity that brings both fish to a halt. What is the speed of the smaller fish?






4. The gravitational force between two masses is inversely proportional to the square of the distance between those two objects.






5. A ship travels 3 miles in 15 minutes what is its speed in miles per hour...






6. Electromagnetic radiation can be viewed as...






7. The gravitational force - two masses are directly proportional to the mass of each object






8. In burning coal - what contaminant is of major concern as a pollutant...






9. Circular motion requires centripetal force






10. From the 50's and to the 70's - the pH of rain in the northeast had..






11. If the mass of a cart full of groceries decreases of half and its speed doubles - the momentum of the cart...






12. Entropy refers to...






13. When you add heat to a substance - its temperature...






14. Neglecting air resistance - a ball in free fall near the earth's surface will have...






15. The weight of one kilogram of iron on earth is...






16. Heat is the...






17. In a generator - the flow of electrons (current) is created by...






18. A temperature of -10 degrees celsius is equivalent to...






19. Raising an auto in a service station requires work. Raising it twice as high requires...






20. The theoretical production curve of oil indicates oil production is...






21. Which is not one of the fundamental forces of nature...






22. Electrical energy can be converted to...






23. The heat involved in the change of phase of phase from solid ice to liquid water is called...






24. At a given speed - the centripetal force - the smaller the circle.






25. The larger the centripetal force - the faster an object travels in a circle of a given size






26. The reason that a spear fisherman cannot see where the fish is actually located is...






27. If a charging elephant has kinetic energy - it must also have...






28. The work that a heat engine is able to accomplish is ideally equivalent to the






29. Electric power companies step up the voltage of generated power for transmission across the country because higher voltage...






30. The ozone hole results from...






31. cogeneration uses...